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pogonyaev
4 years ago
15

Suppose there are two types of persons: high-ability and low-ability. A particular diploma costs a high-ability person $10,000 a

nd costs a low-ability person $18,000. Firms wish to use education as a screening device where they intend to pay $35,000 to workers without a diploma and $K to those with a diploma. In what range must K be to make this an effective screening device?
Mathematics
1 answer:
tekilochka [14]4 years ago
8 0

Answer:

K must be in range <u>$45000 ≤ k ≤ $53000 </u>to make this an effective screening device.

Step-by-step explanation:

In order for the screening device to be effective, the range of k must be such that, it is more than the pay of a worker without diploma. The extra amount must at least be equal to the cost of diploma

So the value of k must be in range from (35000 + 10000) to (35000 + 18000)

Hence,

<u>$45000 ≤ k ≤ $53000</u>

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What is the volume of the oblique cylinder rounded to the nearest cm^3?
SVETLANKA909090 [29]

Answer: 32009355.90cm^3

Step-by-step explanation:

Formula: V=Bh\\

Since the base is a circumference, we can replace B for the area of a circumference formula.

V=\pi r^2h

What we have here is 12 ft as the diameter of the circumference. A diameter is twice the radius, therefore we can conclude that if we take the diameter and divide it by 2, it will give us the radius.

12/2=6ft this is the radius.

Now plug all this information into your formula.

V=(3.14)(6ft)^2(10ft)\\V=(3.14)(36ft^2)(10ft)\\V=1130.40ft^3

Our values are in feet but the question requires cm. Let's convert from ft^3 to cm^3.

Normally, our conversion factors are raised to the power of 1, but in this case it's raised to the power of 3. So, first let's see how many cm are 1 ft.

1ft=30.48cm

Here is where magic comes. We can raise both to the power of 3, in order to find the cubic ft and cm that we need as our conversion factors.

(1ft)^3=(30.48cm)^3\\1ft^3=28316.8cm^3

Now we have our conversion factors.

1130.40ft^3(\frac{28316.84cm^3}{1ft^3})=32009355.90cm^3

4 0
3 years ago
On October 2, 1991 , the Japanese yen was worth .0075 united States . At that time how much was 450 yen worth in united States d
lesya [120]
In order to find out how much 450 yen was worth in U.S dollars, all you have to do is multiply 0.0075 by 450. 

0.0075 * 450 = 3.375 

Meaning that 450 yen at the time was worth approximately $3.40 when rounded.
8 0
3 years ago
Beth and Maria are going to the country fair. Admission costs four dollars per person for each day. They plan to go for three da
IRISSAK [1]
The amount one person will pay for a day is $4
The amount two people will pay for a day is $8
The amount Beth paid for 3 days is 4*3=12
The amount Maria paid for 3days is also 4*3=12
So to find the amount they will pay for 3days, add 12 and 12 to get 24.
The girls will pay $24 for the 3days.

Hope it helps
3 0
3 years ago
If there are 624 calories in 3 servings, how many calories are in 1 serving
Zepler [3.9K]

Answer:

208 calories

Step-by-step explanation:

You have to divide 624 by 3, and you get 208.

7 0
3 years ago
elise bought 5 boxes of cereal and 2 gallons of milk for a total cost of $31.24 each box of cereal cost $ 4.80 enter the cost in
vitfil [10]

Answer:

7.24

Step-by-step explanation:

Multiply 5 boxes of cereal by the cost of cereal

31.24 minus that number gives the answer

6 0
3 years ago
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